<template>
  <div class="hello">
    <span>{{ $store.state.age}}</span>
    <br>
    <span>{{ $store.getters.myAge}}</span>
    <br>
     <span>{{ $store.state.b.date}}</span>
    <div>
      <button @click="add">同步加</button>
    </div>
    <div>
      <button @click="asyncAdd">异步加</button>
    </div>
     <div>
      <button @click="changeB">改变B</button>
    </div>
  </div>
</template>

<script>
export default {
  name: "HelloWorld",
  props: {
    msg: String,
  },
  data() {
    return {
      num: 1,
    };
  },
  methods: {
    add(){
      this.$store.commit('change',10)
    },
    asyncAdd(){
      this.$store.dispatch('asyncChange',20)
    },
    changeB(){
       this.$store.commit('changemoduleB',10)
    }
  },
};
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
h3 {
  margin: 40px 0 0;
}
ul {
  list-style-type: none;
  padding: 0;
}
li {
  display: inline-block;
  margin: 0 10px;
}
a {
  color: #42b983;
}
</style>
